Thermodynamic Heat Recovery - Control Manual - Lennox BAC 030 SNM 3M Installation, Operating And Maintenance Manual

THERMODYNAMIC HEAT RECOVERY - CONTROL MANUAL

1. CONFIGURATION
Confi guration of CLIMATIC™ 60 with the DS60 in expert mode for TRMO (with a modulating exhaust fan):
3813 RECOV. = Comp. for TRMO
3815 EXHAUST = Modulate for both ERVF & EBHO
3816 KIT
3817 Motor to be checked function of your need
3818 Fan
2. USE
Protection:
• Operating envelop Protection: compressor stopped during 6 minutes.
- 328: min HP = 20.5°C condensation;
- 329: max HP = 62°C condensation;
- 319: min LP = between -24.5°C and 1.6°C (function of the condensation temperature) during 5 min => freezing or air fl ow on
evaporator issue;
- 327: max LP = 26°C.
- 317: limit LP -27°C during 120 sec => frigorifi c failure (lack of refrigerant /closed components)
• Anti freezing Protection consist in defrosting the exhaust coil in heating mode with the extract air.
Control
• No specifi c parameters have to be set for TRMO control.
• Operation:
- TRMO runs if there is heating or cooling needs;
- above 50% fresh air, TRMO compressor has priority to start;
- under 15°C return or under 20% fresh air, TRMO compressor is not authorized to start.
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BALTIC-IOM-0412-E / Installation manual