HAI OMNISTAT RC-122 Installation Instructions Manual Download Page 5 | Manualshive

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Summary of Contents for OMNISTAT RC-122

Page 1: ...this equipment is to be installed INSTALLATION Before installing this thermostat 1 Read all of the installation instructions carefully 2 Read the Owner s Manual carefully 3 Ensure that this product i...

Page 2: ...ING When mounting the RC 122 grasp the thermostat by the sides avoiding the keys and unsnap the base from the face Holding the base to the wall so that the word TOP is upright and facing you 1 Mark th...

Page 3: ...ation See Figures 7 8 Insert the cable into the connector on the thermostat circuit board marked COMM Upon completion of wiring the thermostat push all excess wiring into the hole in the wall Plug the...

Page 4: ...Connect power to the transformer and system The display will show all segments for about 5 seconds 4 Press the Fan key The fan should come on Press the Fan key again The fan should go off 5 Press Hol...

Page 5: ...5 5 Figure 5...

Page 6: ...2 To configure the display backlight to always be on set the JP2 Select Backlight Mode jumper to the ON position between the middle and bottom pin on the connector See Figure 6 3 To configure the dis...

Page 7: ...s item 5 Use the arrow keys to change the value of each item 6 Do not set the values to anything other than the specified range for each item 7 To exit Setup mode press the Fan key The thermostat will...

Page 8: ...fficient Control EEC should be turned on settings 0 1 4 and 5 If the system is equipped with a highly efficient second stage you may want to turn EEC off settings 8 9 12 and 13 The thermostat will act...

Page 9: ...t setting is 51 06 Heat setpoint limit This item is used to limit the temperature setting in heat mode The desired heat setting can never be set above this setting The default setting is 91 07 Not use...

Page 10: ...t is running faster or slower than the actual time you can have the thermostat automatically compensate up to 29 seconds per day The thermostat will add or subtract the selected amount of time daily 1...

Page 11: ...he thermostat QUICK REFERENCE SETUP GUIDE This table displays each Installer Setup item with its default setting The column labeled CURRENT can be used to write down the current settings if any change...

Page 12: ...roller can send commands to the thermostat to change mode cool setting heat setting status of fan and hold and other items Run a 3 or 4 conductor wire from the HAI system to the thermostat location Al...

Page 13: ...TCHES The thermostat can be connected to a remote system or remote switch A signal can be sent from the remote location to change the thermostat temperature settings from the DAY setting to the NIGHT...

Page 14: ...piece of tape Figure 8 Hookup to remote Day Night setback switch OTHER SYSTEMS For connections to personal computers utility management systems and other automation systems refer to connection diagra...

Page 15: ...at keys for test remove jumper SYMPTOM ACTION TO TAKE 1 Check COMM connector and wiring 2 Check thermostat address setting 3 Check communications mode setting Control By Remote System Not Working 4 Ch...

Page 16: ...d due to severe weather Stage 2 On Too Often 2 EEC is disabled SYMPTOM ACTION TO TAKE 1 System may be equipped with an outdoor thermostat which is overriding Stage 2 the when outdoor temperature is mi...

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