Lennox GAH 020S

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Installation manual /eCOMFORT-MIL150E-0916 / 05/2017
3.- COMMISSIONING AND OPERATION
3.2.- STEPS TO FOLLOW FOR CONTROL SETTING
I. SETTINGS
1. Check unit clock settings
2. Scheduling (depend on customer requirements) Zone & Mode (NIGHT, DAY, DAY I, DAY II)
(2138): Number of zone desired
(2141): Start time of zone 0 set to 00h00 to start each day
(2142): Starts time of zone 1 adjustable every day from Monday to Sunday
(2143): Starts time of zone 2 adjustable every day from Monday to Sunday
(2144): Starts time of zone 3 adjustable every day from Monday to Sunday
(2145): Starts time of zone 4 adjustable every day from Monday to Sunday
(2146): Starts time of zone 5 adjustable every day from Monday to Sunday
(2147): Starts time of zone 6 adjustable every day from Monday to Sunday
(2139): Number of mode desired
(2141): Mode linked to the zone 0 adjustable every day from Monday to Sunday
(2142): Mode linked to the zone 1 adjustable every day from Monday to Sunday
(2143): Mode linked to the zone 2 adjustable every day from Monday to Sunday
(2144): Mode linked to the zone 3 adjustable every day from Monday to Sunday
(2145): Mode linked to the zone 4 adjustable every day from Monday to Sunday
(2146): Mode linked to the zone 5 adjustable every day from Monday to Sunday
(2147): Mode linked to the zone 6 adjustable every day from Monday to Sunday
3. Set point per mode
(2113), (3113): Schedule on/off
(3431): Enable of the compressor(s) on circuit 1
(3432): Enable of the compressor(s) on circuit 2
(2236): Outside air temperature corresponding to the water evaporator set point (2238)
(2237): Outside air temperature corresponding to the water evaporator set point (2239)
(2238): Water temperature set point corresponding to the outside air temperature (2236)
(2239): Water temperature set point corresponding to the outside air temperature (2237)
(2246): Outside air temperature corresponding to the water evaporator set point (2248)
(2247): Outside air temperature corresponding to the water evaporator set point (2249)
(2248): Water temperature set point corresponding to the outside air temperature (2246)
(2249): Water temperature set point corresponding to the outside air temperature (2247)
(3341): Pump evaporator mode (P1on, P1Auto, P2on, P2Auto, P1P2on, P1P2AUTO)
(3541): Condensing fan control mode (Auto, AutoQuiet, Quiet)
(3542): Sound level (dBa)
4. Regulation water temperature (if no scheduling confi gured)
Cooling mode :
(2236): Outside air temperature corresponding to the water evaporator set point (2238)
(2237): Outside air temperature corresponding to the water evaporator set point (2239)
(2238): Water temperature set point corresponding to the outside air temperature (2236)
(2239): Water temperature set point corresponding to the outside air temperature (2237)
Heating mode :
(2246): Outside air temperature corresponding to the water evaporator set point (2248)
(2247): Outside air temperature corresponding to the water evaporator set point (2249)
(2248): Water temperature set point corresponding to the outside air temperature (2246)
(2249): Water temperature set point corresponding to the outside air temperature (2247)
5. Changeover mode (only for heat pump)
(2224): Changeover mode for each schedule mode (NIGHT, DAY, DAY I, DAY II, and BMS).
6. Pump mode :
(3343) : Fix, Delta T, Delta P, P.out, Flow