AprilAire 61000652C 8400 Tstat - Manual

Page 2 - TAblE Of CONTENTS; INSTAllATION

2 Installation location recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3Outdoor temperature sensor (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 3 - INSTAllATION lOCATION RECOmmENDATIONS; appliances that give off heat.

3 INSTAllATION INSTAllATION lOCATION RECOmmENDATIONS Thermostat should be mounted: • On an interior wall, in a frequently occupied space.• Approximately 5‘ above floor.• At least 18” from outside wall.• Thermostat can be mounted to a vertical junction box. Do not mount thermostat: • Behind doors, in...

Page 4 - • When the outdoor temperature is higher than the High; • Install on side of building out of direct sunlight

4 OUTDOOR TEmpERATURE SENSOR (OpTIONAl) Outdoor temperature can be measured by attaching an 8052 sensor to the S1 and S2 terminals. System setting #05 (Remote sensor) is used to enable sensor. Heat pump models can use the outdoor temperature to effectively utilize the heat pump:• When the outdoor te...

Page 5 - THERmOSTAT mOUNTINg; pOwER & RESET OpTIONS

5 THERmOSTAT mOUNTINg 1. Remove the back of the thermostat, by pressing the tab on the bottom of the unit. 2. Pull wires through the opening on the back of the thermostat . 3. Position and level the back of the thermostat on wall and mark the hole locations with a pencil . 4. Drill 1/4” holes & ...

Page 10 - fOR HEAT pUmp SYSTEm

10 INSTAllATION wIRINg – mODEl 8466 & 8448 SINglE TRANSfORmER (USE jUmpER wIRE) fOR HEAT pUmp SYSTEm 1st AUX HEA TING 1st COMPRESSOR FA N REVERSE VA LV E FA UL T DETECT 2nd AUX HEA TING 2nd COMPRESSOR OUTDOOR TEMP SENSOR HEA T PUM P TRANSFORMER C G Y W R L S1 S2 O/B W2 Y2 RC JUMPE R 1st AUX HEA ...

Page 12 - SYSTEm SETUp INSTRUCTIONS

12 SETUp & TESTINg SYSTEm SETUp INSTRUCTIONS (CONTINUED) Thermostat models 8448 & 8466 have the option of being used in heat pump or heat/cool systems. Switch SW1 located on the back of the thermostat’s face is used to select this. System setting number 00 will only be shown on these models ...

Page 14 - st stage differential; Set to OFF for proportional control only; minutes; to 5 minutes or “OFF” to disable; : progressive recovery is enabled

14 SETUp & TESTINg System setting Setting range, default in bold 09 1st stage differential 1°f (0.5°C) 1°F to 4°F (0.5°C to 2°C) 10 2nd stage differential (8448, 8466) 1°f (0.5°C) 1°F to 4°F (0.5°C to 2°C) 11 3rd stage differential (8448HP, 8466HP) 1°f (0.5°C) 1°F to 4°F (0.5°C to 2°C) 12 Revers...

Page 15 - System setting 05 must be enabled

15 SETUp & TESTINg System setting Setting range, default in bold 16 Low Balance Pt. (8446, 8448HP, 8465, 8466HP) System setting 05 must be enabled 20°f (–7°C) 1°F to 35°F (–17°C to 1°C) or “OFF” to disable 17 High Balance Pt. (8446, 8448HP, 8465, 8466HP) System setting 05 must be enabled 60°f (1...

Page 19 - System Setting

19 SETUp & TESTINg Test steps for 8448HC & 8466HC Step Key Input System Setting Display (Output) #2 01 HEATINg ON (w) 02 HEATINg ON (w2) 01 COOlINg ON (Y) 02 COOlINg ON (Y2) 01 fAN ON (g) #50 Heat 1st [UP] 0 : Gas ON 1 : Elec ON ON 2nd [UP] 0 : Gas ON ON 1 : Elec ON ON ON [DOWN] #51 Cool 1st...

Page 22 - QUICK REfERENCE TO CONTROlS & DISplAY

22 QUICK REfERENCE TO CONTROlS & DISplAY NON-pROgRAmmAblE mODElS (8444, 8446, 8448) NOTE: BACKLIGHT IS ACTIVATED WITH FIRST BUTTON PRESS AND AUTOMATICALLY TURNS OFF. CURRENT INDOOR TEMPERATURE SYSTEM MODE SETTING FAN SETTING SYSTEM MODE FAN SETTING BATTERY DOOR MESSAGE CENTER LOW BATTERY WARNING...

Page 24 - THERmOSTAT fEATURES; All 8400 SERIES THERmOSTATS

24 THERmOSTAT fEATURES All 8400 SERIES THERmOSTATS • Large, clear, backlit display is easy to read – even in the dark . • Displays room temperature, temperature setting, and optional outdoor temperature . • Dual power option (Battery or 24 VAC).• Front battery door access for fast, easy replacement....

Page 25 - TROUblESHOOTINg; DISplAY IS blANK; alkaline batteries are correctly installed.; TEmpERATURE SETTINgS DO NOT CHANgE; • Check for 24 VAC at the equipment on the secondary

25 TROUblESHOOTINg DISplAY IS blANK • Check circuit breaker and reset if necessary.• Make sure power switch at heating & cooling system is on . • Make sure furnace door is closed securely.• If thermostat is battery powered, make sure fresh AA alkaline batteries are correctly installed. TEmpERATU...

Page 27 - SpECIfICATIONS; Electrical

27 SpECIfICATIONS Electrical Operating voltage 24 VAC (18 – 30 VAC) Current Maximum: 2.5A (total), 1.0A (single output)Maximum surge current: 5A Power supply Dual power. Can be battery or 24 VAC powered.When both the sources are available, battery will be used as back up power. Battery power Battery...

Page 28 - Thermal; Outdoor temperature sensor; RESEARCH PRODUCTS CORPORATION

28 SpECIfICATIONS Thermal Outdoor temperature sensor Maximum distance: 300 feet Room temperature measurement Display range: 32° to 99°F (0° to 40°C) Outdoor temperature measurement Display range: -20° to 130°F (-30° to 55°C) Temperature setting range Heat: 45° to 90°F (7° to 32°C)Cool: 50° to 99°F (...

AprilAire 61000652C 8400 Tstat - Manual

Table of Contents:

Summary

Other AprilAire Models