RoomHumidity controller

AB-6475 Specifications/Instructions Specifications Neostat Room Temperature Controller Models TY600XZ, TTY602XZ, TY900XZ Room Humidity Controller Models HY6000Z, HY9000Z General The Neostat is an electric-type room temperature/ humidity controller that is similar in design and size to Neosensor, the electronic room temperature or humidity sensor The temperature controller adopts a temperature-sensitive diaphragm, while the humidity controller adopts a moisture-sensitive nylon ribbon Features 1) Simple connection of the Neostat to air-conditioning unit or actuator allows easy instrumentation and control Moreover, the auxiliary devices that require separate order facilitate instrumentation and other operations 2) Butane is used for temperature-sensitive diaphragm (No Freon is used.) 3) The Neostat is compact (thin) and lightweight Specifications Temperature controllers Model number*1 TY6000Z1000 TY6001Z1000 TTY6021Z1000 TTY6022Z1000 TY9000Z1000 TY9001Z1000 Control action Range 2-position, 1-step For heating For cooling 2-position, 2-step 15 °C to 30 °C Proportional*2 Summer-winter changeover switch No Yes No No No Yes Humidity controllers Model number*1 HY6000Z8000 HY6000Z8010 HY9000Z8000 Control action Range 30 %RH to 80 %RH 40 %RH to 90 %RH 30 %RH to 80 %RH 2-position Proportional*2 ∗1 Models without corporate logo have "-1" appended to the end ∗2 The proportional-type Neostat is connected with a Yamatake’s Control Motor or ACTIVAL 2-position type contact rating: Model HY6000Z Model TY6000Z, Model TY6001Z Normal load Starting load 125 V AC 6A 36 A Dehumidification*3 250 V AC 3A 18 A Normal load Starting load Resistive load Model TTY6021Z, Model TTY6022Z Normal load Starting load 125 V AC 3A 18 A 250 V AC 1.5 A 9A ∗3 Humidification*4 125 V AC 250 V AC 125 V AC 250 V AC 3.0 A 1.5 A 4.4 A 2.2 A 18.0 A — 9.0 A — 26.4 A 8.0 A 13.2 A 4.0 A When Model HY6000Z is connected to a dehumidifier, the maximum currents under conditions of normal load and starting load are those specified above ∗4 When Model HY6000Z is connected to a humidifier, the maximum currents under conditions of normal load and starting load are those specified above Safety Instructions Please read instructions carefully and use the product as specified in this manual Be sure to keep this manual nearby for ready reference Usage Restrictions This product is targeted for general air conditioning Do not use this product in a situation where human life may be affected If this product is used in a clean room or a place where reliability or control accuracy is particularly required, please contact Yamatake’s sales representatives Yamatake Corporation will not bear any responsibility for the results produced by the operators WARNING • DANGER: To prevent the risk of sever or fatal electrical shock, always disconnect power source and/or product power supply before performing any wiring CAUTION • Installation must be performed by qualified personnel in accordance with all applicable safety standards • This product must be operated within its operating ranges specified in this manual Failure to comply will cause equipment damages Installation must be carried out under the operating conditions specified in this manual to prevent equipment damages • • All wiring must comply with local codes of indoor wiring and electric installation rules • Use crimp terminals with insulation for electric wires • Use crimp terminals with insulation for external wires connected to the product • Do not disassemble the product except when removing the cover or replacing a part Equipment damages may occur • Do not incinerate this product for waste disposal Do not recycle all or a part of this product, either • Dispose of this product as a industrial waste complying with the local regulations AB-6475 Specifications Item Rated operating conditions Specification 15 °C to 40 °C (Models HY6000, HY9000 only) 15 °C to 30 °C (Models other than the above) Transport/storage conditions -20 °C to 50 °C (95 %RH or less, no condensing) Differential Model TY6000Z Approx °C (fixed) Model TY6001Z Model TTY6021Z Approx 1.5 °C (fixed) for each switch Model TTY6022Z Approx %RH (fixed) Model HY6000Z Model HY6000Z8000 (at 50 %RH) Model HY6000Z8010 (at 65 %RH) Step-by-step setting (Applicable Step-by-step setting: Variable in steps of 1.5 °C, °C, or 2.5 °C to Models TTY6021Z, TTY6022Z ∗ Factory preset: 1.5 °C only) Proportional bands Model TY900XZ: Approx 2.5 °C (fixed) Model HY9000Z: Approx 12 %RH (fixed at 50 %RH) Sensing elements Temperature controller: Temperature-sensitive diaphragm Humidity controller: Moisture-sensitive nylon ribbon Weight Approx 190 g Materials Cover: PC resin, pale gray (JPMA (Japan Paint Manufacturers Association): BN-85 (2003 edition)) Base: Modified PPE resin, pale gray (JPMA: BN-85 (2003 edition)) Accessories mounting screws for Neostat main unit (M3 × 16) Neostat can be used in combination with the dedicated mounting kit and auxiliary devices that Dedicated mounting kits and require separate order auxiliary devices Dedicated mounting kit: (separate oreder required) Wall-direct mounting kit (Part No 83165803-001) Thermoplate mounting kit (Part No 83165803-011) Multi-Thermocase mounting kit (Part No 83165803-021) Auxiliary devices: Thermoplate for individual room control Model QY1100A (with slide switch) Models QY1100C, QY1100D (with rotary switch) Thermoplate Model DY2000A1022 (1-unit lengthwise mounting) Model DY2000A1023 (1-unit crosswise mounting) Model DY2000A2023 (2-unit crosswise mounting; with outlet box) Model DY2000A2024 (2-unit crosswise mounting; with switch box) Model DY2000A3022 (3-unit crosswise mounting) Conduit connection type Thermoplate Model DY2000A1021 (1-unit square mounting)* Model DY2000A2021 (2-unit crosswise mounting)* Model DY2000A3021 (3-unit crosswise mounting)* ∗ Used for open wiring Multi-Thermocase Model TY1100Z Mounting Kits for Each Mounting Method Mounting method Mounting kit Mounting directly on a wall Mounting onto conduit connection type Thermoplate Configuration mounting plate Accessory: pan-head machine screws (M4 × 8) Wall-direct mounting kit (Part No 83165803-001) Main part: Wall-direct mounting kit Accessory:1 flat-head machine screw (M3 × 16) Main part: Thermoplate mounting kit Mounting onto Thermoplate Thermoplate mounting kit (Part No 83165803-011) Mounting in Multi-Thermocase Multi-Thermocase mounting kit (Part No 83165803-021) Accessory: tapping screws(M2.6 × 8) Main part: Multi-Thermocase mounting kit ∗ The mounting screws are supplied with the Multi-Thermocase (separate order required) AB-6475 Dimensions (mm) 1) Dimensions of Neostat main unit with Wall-direct mounting kit (2-position control type) Note: When mounting the Neostat, be sure to secure a longer than 15 mm clearance for wiring from the mounting surface inside the wall (77) Wall-direct mounting kit 90 77 38.5 16.5 15 (77) 90 77 Insulated tube Mounting surface (Proportional control type) Note: When mounting the Neostat, be sure to secure a longer than 15 mm clearance for wiring from the mounting surface inside the wall (77) Wall-direct mounting kit Heat sink 38.5 16.5 15 (77) 77 90 90 77 Mounting surface (Connectors for connection check) (Surface view of mounting plate) φ4.2 mounting hole Mounting screw (M3) 80 8.2 Mounting hole ∗ Use JIS outlet box/box cover (JIS C8340 (1999)) Mounting dimension: 66.7 mm (JIS: Japanese Industrial Standards) 66.7* 80 Figure Dimensions (mm): Wall-direct mounting AB-6475 2) Dimensions of Neostat main unit with Thermoplate mounting kit (2-position control type) Note: When mounting the Neostat, be sure to secure a longer than 12.5 mm clearance for wiring from the mounting surface inside the wall (77) 41 77 12.5 19 77 (77) Insulated tube Mounting surface Thermoplate mounting kit (Proportional control type) Note: When mounting the Neostat, be sure to secure a longer than 12.5 mm clearance for wiring from the mounting surface inside the wall (77) 41 77 Heat sink 12.5 (77) 77 19 Thermoplate mounting kit Mounting surface (Connectors for connection check) (Surface view of Thermoplate mounting kit) 49 22 φ2.8 mounting hole Figure Dimensions (mm): Thermoplate mounting AB-6475 3) Dimensions of Neostat main unit (with the cover removed*) with Multi-Thermocase mounting kit (Example of temperature controller Neostat installed in the Multi-thermocase) ∗ When multiple units of Neostat (and/or Neosensor) are installed in a Multi-Thermocase (separate order required), the Neostat main unit covers are not used (72.8) (85) Multi-Thermocase mounting kit 85 72.8 52 (72.8) 72.8 85 23 (Surface view of Multi-thermocase mounting kit) 55 φ3.4 mounting hole Assembled dimensions of device mounting plate of Multi-Thermocase and Multi-Thermocase mounting kit: 66.7 mm 68 ∗ 66.7* Figure Dimensions (mm): Multi-Thermocase mounting AB-6475 Installation Installation requirements 1) Mount Neostat on a wall approx 1.5 m high above the floor, where the average temperature and humidity can be measured 2) Avoid locations where room air circulation is interfered by furniture or a door, and where heat from office automation equipment stays on 3) Avoid locations affected by draft, downdraft, hot/cold air from water pipes/ducts, and radiant heat from the sun ∗ The ambient air velocity in the Neostat installation area should be between 0.1 and 0.2 m/s (An installation location with high air velocity could result in a shorter service life of the air-conditioning unit and control devices, or in a controller hunting.) 4) Choose an installation location with no vibration 5) Do not install Neostat where water may drop Do not allow dew condensation on the Neostat main unit 6) Do not install Neostat directly on the wall without Wall-direct mounting kit Installation procedure: Neostat directly on a wall (See Fig 4.) 1) Attach the mounting plate to the box cover (outlet box mounting dimension: 66.7 mm (JIS C8340:1999)) located inside the wall 2) Install the main part of the Wall-direct mounting kit on the mounting plate (See Fig 9.) 3) Connect the output lead wires of the Neostat main unit to the external wires (for the load side) (See Fig 16.) 4) Remove the cover from the Neostat main unit, and mount the main unit on the main part of the Wall-direct mounting kit with the main-unit accessory screws (M3 × 16) When mounting the main unit onto the Wall-direct mounting kit, make sure to set the height-adjusting levers on the left and right sides (See Fig 12.) to the upper positions (indicated by "L") 5) Place the cover back on the Neostat main unit to complete the installation procedure (See Fig 8.) External wires (for load side) Mounting plate Accessory: pan-head machine screws (M4 × 8) Main part of Wall-direct mounting kit 66 7m m Accessory: flat-head machine screw (M3 × 16) Main unit of Neostat Accessory: flat-head machine screws (M3 × 16) Cover Output lead wires Neostat Wall-direct mounting kit (separate order required) Mounting-box cover JIS C8340 with 66.7-mm mounting dimension (commercially available) Figure Installation: Neostat with Wall-direct mounting kit AB-6475 Installation procedure: Neostat on conduit connection type Thermoplate (See Fig 5) 1) Attach the mounting plate to the conduit connection type Thermoplate 2) Install the main part of Wall-direct mounting kit on the mounting plate (See Fig 9.) 3) Connect the output lead wires of the Neostat main unit to the external wires (for the load side) (See Fig 16.) 4) Remove the cover from the Neostat main unit, and mount the main unit on the Wall-direct mounting kit with the main-unit accessory screws (M3 × 16) When mounting the main unit onto the Wall-direct mounting kit, make sure to set the height-adjusting levers on the left and right sides (See Fig 12.) to the upper position (indicated by "L") 5) Place the cover back on the Neostat main unit to complete the installation procedure (See Fig 8.) External wires (for load side) Mounting plate Accessory: pan-head machine screws (M4 × 8) Main part of Wall-direct mounting kit Accessory: flat-head machine screw (M3 × 16) Main unit of Neostat Accessory: flat-head machine screws (M3 × 16) Cover Output lead wires Neostat Wall-direct mounting kit (separate order required) Wire-pipe connection (open-wiring) type Thermoplate (separate order required) Figure Installation: Neostat with Wall-direct mounting kit (on conduit connection type Thermoplate) AB-6475 Installation procedure: Neostat on Thermoplate (See Fig 6.) 1) Attach the mounting plate supplied with Thermoplate to the mounting box cover (switch box mounting dimension: 83.5 mm (JIS C8340:1999)) located inside the wall 2) Mount Thermoplate on the mounting plate 3) Install the main part of the Thermoplate mounting kit on the Thermoplate 4) Connect the output lead wires of the Neostat main unit to the external wires (for the load side) (See Fig 16.) 5) Remove the cover from the Neostat main unit, and mount the main unit on the main part of the Thermoplate mounting kit with the main-unit accessory screws (M3 × 16) When mounting the main unit onto the Thermoplate mounting kit, make sure to set the height-adjusting levers on the left and right sides (See Fig 12.) to the upper position (indicated by "L") 6) Place the cover back on the Neostat main unit to complete the installation procedure (See Fig 8.) External wires (for load side) Mounting plate Accessory: pan-head machine screws (M4 × 8) Thermoplate Accessory: pan-head machine screws (M4 × 5) 83 5m m Main part of Thermoplate mounting kit Accessory: tapping screws (M2.6 × 8) Main unit of Neostat Accessory: flat-head machine screws (M3 × 16) Cover Output lead wires Neostat Thermoplate mounting kit (separate order required) Thermoplate (separate order required) Mounting-box cover JIS C8340 with 83.5-mm mounting dimension (commercially available) Figure Installation: Neostat with Thermoplate mounting kit (on Thermoplate) AB-6475 Installation procedure : Neostat in Multi-Thermocase (See Fig 7.) 1) Attach the main part of the Multi-Thermocase mounting kit to the device-mounting plate of Multi-Thermocase 2) Connect the output lead wires of the Neostat main unit to the external wires (for the load side) 3) Remove the cover from the Neostat main unit, and set the height-adjusting levers on the left and right sides to the lower position (indicated by "H") Then, mount the main unit on the Multi-Thermocase mounting kit with the main-unit accessory screws (M3 × 16) Neostat installed in the Multi-Thermocase is used with the cover removed IMPORTANT: When installing Neostat in the Multi-Thermocase, be sure to set the height-adjusting levers on the left and right sides of the Neostat main unit to the lower position (indicated by "H") Device-mounting plate of Multi-Thermocase Device-mounting plate of Multi-Thermocase Main part of Multi-Thermocase mounting kit Multi-Thermocase Accessory (Multi-Thermocase): pan-head machine screws (M3 × 6) Main unit of Neostat External wires (for load side) Accessory: flat-head machine screws (M3 × 16) Neostat Multi-Thermocase mounting kit (separate order required) Height-adjusting levers (set to the lower positions) Note: To mount the Neostat main unit, set the height-adjusting lever on the left and right sides to the lower position before fixing the main unit on the Multi-Thermocase mounting kit with the main unit accessory screws Figure Installation: Neostat (in Multi-Thermocase) with Multi-Thermocase mounting kit 10 AB-6475 Removing or installing the cover • Removing the cover Remove the cover by pressing the spring, using a thin stick, located inside the top section of the Neostat main unit • Installing the cover Insert the two cover tabs into the two mounting holes located at the bottom of the main unit and fix the cover in place with the spring located at the top of the main unit 2) Pull out the Neostat main unit from the main part of the Wall-direct mounting kit (Max mm) Main part of Wall -direct mounting kit Neostat main unit Pressing the spring Figure 11 Pulling out the Neostat main unit Cover tabs (at locations) 3) Lower the height-adjusting levers on the left and right ∗ The height-adjusting levers are set to the upper position (indicated by "L") for factory preset Cover Height-adjusting lever (set to the upper position (indicated by "L")) Main part of Wall-direct mounting kit L L H Figure Removing/installing the cover H Height-adjusting lever (set to the lower position (indicated by " H")) Installing the main part of Wall-direct mounting kit Figure 12 Height-adjusting lever Mounting plate tabs (at locations) 4) Mount and fix the Neostat main unit on the main part of the Wall-direct mounting kit with the mounting screws Rear side Neostat main unit Main part of Walldirect mounting kit Mounting plate Main part of Wall-direct mounting kit Figure Installing the main part of the Wall-direct mounting kit mounting screws Measures against disturbances (including heat radiation and conductvity) caused by the mouting wall Figure 13 Neostat mounting on the Wall-direct mounting kit 5) Installation is completed with the Neostat raised (Fig 14) ∗ The effect of the raised Neostat varies depending on the environment Against disturbances from the mounting wall, the position (height) of the sensing element of the Neostat main unit can be changed in accordance with the following procedure 38.5 47.5 1) Remove the Neostat mounting screws (4 screws) (Size of protrusion) Wall surface Wall surface Main part of Wall-direct mounting kit Neostat main unit Figure 14 Neostat with its main unit raised ∗ Follow the same procedure to install the Neostat on the Thermoplate Mounting screws Figure 10 Removing the mounting screws 11 AB-6475 Wiring 1) For the external wires, use stranded annealed copper wires with insulation, 1.25 mm or greater cross-section 2) For open wiring, wiring installation needs to be performed with Yamatake’s auxiliary devices (separate order required) Models DY2000A1021, DY2000A2021, and DY2000A3021 (conduit connection type Thermoplates) 3) Make sure that Neostat is correctly connected to the external wires and that all the wires are tightly connected Model TY6001 Model TY6000 Cooling equipment W Bk Model HY6000 R O Rises Falls Model TY9001 Heating equipment Step O Step (Changeover switch) Cooling equipment G Model HY9000 R R R Dehumidifier W W Humidifier Falls Falls Falls Falls W Rises B R B B Model TY9000 Heating equipment Step Cooling/heating equipment Model TY6022 R Falls Cooling equipment Heating equipment Falls Falls W Model TY6021 R Step R B B W B B Wire colors R: Red B: Blue Bk: Black W: White O: Orange G: Green Figure 15 Internal wiring connection diagrams ∗ Models TY6000Z and TY6001Z are 2-position 1-step temperature controllers capable of performing ON/OFF control of motors, electric heaters, auxiliary relays, and the like ∗ Models TTY6021Z and TY6022Z are 2-position 2-step temperature controllers capable of performing ON/OFF control in dual steps of packaged air conditioners, motors, electric heaters, and the like (Neostats for heating and for cooling are categorized by their model numbers.) ∗ Models TY9000Z and TY9001Z are proportional-type controllers capable of performing control of valves, dampers, and the like when connected to Yamatake’s Control Motor (Model MY3000E) and ACTIVAL (Models VY512X, VY522X, or MY532X) IMPORTANT: If Model TY9000Z or TY9001Z is connected to a product other than the specified above, consult with our sales personnel ∗ Model HY6000Z is a 2-position 1-step humidity controller capable of performing ON/OFF control of solenoid valves, auxiliary relays, and the like ∗ Model HY9000Z is a proportional-type humidity controller capable of performing proportional control of valves, dampers, and the like when connected to Yamatake’s Control Motor (Model MY3000E) and ACTIVAL (Models VY512X, VY522X, or MY532X) IMPORTANT: If Model HY9000Z is connected to a product other than the specified above, consult with our sales personnel 12 AB-6475 Connection to External Wires 1) Connection of 2-position 1-step Neostat Model TY6000Z or HY6000Z Referring to Fig 15 (Internal wiring connection diagrams) and according to the application (cooling/heating, humidifying/dehumidifying), cut off the closed-end connectors of the output lead wires to be connected, and connect the output lead wires to the external wires Do not cut off the closed-end connectors left unconnected Output lead wire for Neostat side Connect ∗ Use crimp terminals with insulation External wires (for load side) Cut off to connect Closed-end connector ∗ Do not cut off the closed-end connectors left unconnected to the load side Figure 16 Connection of external wires to Model TY6000Z or HY6000Z 2) Connection of 2-position 1-step Neostat Model TY6001Z (with summer-winter changeover switch) Connection of 2-position 2-step Model TTY6021Z and TTY6022Z Connection of proportional Model TY9000Z, TY9001Z, and HY9000Z Referring to Fig 15 and according to the application (cooling/heating, humidifying/dehumidifying), connect the output lead wires to the external wires CAUTION • When handling the proportional-type Neostat Model TY9000Z, TY9001Z, or HY9000Z, be careful not to hurt yourself by touching the heat sink 13 AB-6475 Setting • Cooling/heating changeover • Step-by-step temperature (Models TTY6021Z, TTY6022Z) 1) Remove the cover 2) Shift the setting slit of the changeover lever to the specified position, either S (cooling) or W (heating), marked in the Neostat main unit (See Fig 17.) ∗ Do not shift the changeover lever while the equipment is in operation 3) Place the cover back to complete the setting 1) Remove the cover 2) Move the step-by-step temperature-setting lever to set the pointer at the desired number on the step-by-step temperature-setting scale (See Fig 19.) ∗ Do not shift the step-by-step temperature-setting lever while the equipment is in operation The step-by-step temperature is set to 1.5 °C for factory preset 3) Place the cover back to complete the setting Changeover setting slit W (Heating) Changeover lever Model TTY6021Z (Heating 2-steps) S (Cooling) Changeover setting slit (Neostat main unit) Step-by-step temperature-setting lever (Changeover lever) ∗ Set the changeover lever to align the setting slit with position S or W according to heating or cooling Figure 17 Cooling/heating changeover Step-by-step temperature-setting scale plate • High/low limit stop and setting lock Pointer 1) Remove the cover 2) The controller is equipped with two setting-lock claws (See Fig 18.) The settig-lock claws are locked as follows for factory preset Temperature controller: 30 °C Humidity controller 30-80 %RH type: 80 %RH Humidity controller 40-90 %RH type: 90 %RH Before using the Neostat, slide the setting-lock claws to the desired setting positions and set the setting-range stop and setting-lock positions according to the application For a proportional controller, the center of the proportional band is a setpoint (point at which the temperature or humidity reaches down to 50 % (the center) of the proportional band) Regarding the setpoints of the 2-position-type controllers, refer to Figs 20 to 23 3) Place the cover back to complete the setting ∗ The setting-lock claw is moved in the directions of the arrow by lightly pressing the claw (Knob of setting lever) Step-by-step setting scale mark ∗ Set the pointer of the step-by-step temperature-setting lever at any of the temperature scale marks (1.5 °C, 2.0 °C, 2.5 °C) on the step-by-step temperature-setting scale plate (This figure shows an example of setting at 1.5 °C.) Model TTY6022Z (Cooling 2-steps) Step-by-step temperature-setting lever Step-by-step temperature-setting scale plate ∗ To fix (lock) a setting, set the pointer at the desired position, and then place the setting-lock claws on the left and right at the center Variable setting range (Range stop) Pointer Setting lock (Fixed) (Stopper) (Stopper) Setting-lock claw (Knob of setting lever) Setting memory plate Step-by-step setting scale mark ∗ Set the pointer of the step-by-step temperature-setting lever at any of the temperature scale marks (1.5 °C, 2.0 °C, 2.5 °C) on the step-by-step temperature-setting scale plate (This figure shows an example of setting at 1.5 °C.) Setting dial (Pointer) (Pointer) Figure 18 Controller setting (Range stop, setting lock) Figure 19 Step-by-step temperature setting 14 AB-6475 Differential (Nominal °C (fixed)) Output lead wires Model TY6000Z: Red - White "Closed" Model TY6001Z: Red - Blue "Closed" (Changeover switch on S side (Cooling)) Output lead wires Model TY6000Z: Red - Blue "Closed" Model TY6001Z: Red - Blue "Closed" (Changeover switch on W side (Heating)) Setpoint Temperature rise Figure 20 Switching action of Models TY6000Z and TY6001Z Differential (Nominal %RH (fixed)) Model HY6000Z8000: at 50 %RH setting Model HY6000Z8010: at 65 %RH setting Output lead wires: Red - White "Closed" Output lead wires: Red - Blue "Closed" Setpoint Humidity rise Figure 21 Switching action of Model HY6000Z Step-2 heater ON due to temperature fall Step-2 heater OFF due to temperature rise Step-2 switch output lead wires (Orange - Black) Step-1 heater ON due to temperature fall "ON" Step-1 heater OFF due to temperature rise ”OFF” Step-2 switch output lead wires (Red - Blue) "ON" ”OFF” Step-2 switch differential (Nominal 1.5 °C (fixed)) Step-1 switch differential (Nominal 1.5 °C (fixed)) Step-by-step differential (Variable in steps of 1.5 °C, °C, or 2.5 °C) Setpoint Temperature rise Figure 22 Switching action of Model TTY6021Z (2-Step control of heating) 15 AB-6475 Step-2 refrigerator OFF due to temperature fall Step-2 refrigerator ON due to temperature rise Step-1 chiller ON due to temperature rise "ON" Step-2 switch output lead wires (Orange - Green) Step-1 chiller OFF due to temperature fall "OFF" "ON" Step-1 switch output lead wires (Red - White) "OFF" Step-2 switch differential (Nominal 1.5 °C (fixed)) Step-1 switch differential (Nominal 1.5 °C (fixed)) Step-by-step differential (Variable in steps of 1.5 °C, °C, or 2.5 °C) Setpoint Temperature rise Figure 23 Switching action of Model TTY6022Z (2-step control of cooling) Specifications are subject to change without notice Building Systems Company Tamachi Kiyota Building 4-3-4, Shibaura Minato-ku, Tokyo 108-0023 http://www.yamatake.com Rev.1.1 Apr 2005 (J: AI-6475 Rev 1.0) 16 16 AB-6475 0.5H-H (W00) AI-6475E ... cover 2) The controller is equipped with two setting-lock claws (See Fig 18.) The settig-lock claws are locked as follows for factory preset Temperature controller: 30 °C Humidity controller 30-80... 15 Internal wiring connection diagrams ∗ Models TY6000Z and TY6001Z are 2-position 1-step temperature controllers capable of performing ON/OFF control of motors,... specified above, consult with our sales personnel ∗ Model HY6000Z is a 2-position 1-step humidity controller capable of performing ON/OFF control of solenoid valves,