Navien NHB-055, Руководство по обслуживанию

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42 NHB Service Manual Version 1.0
Item Description Display
(G) Outdoor reset curve
Display of heat load (1~7)
1: Finned Tube Baseboard
2: FAN Coil
3: Cast Iron Baseboard
4: Low Mass Radiant
5: High Mass Radiant
6: Radiator
7: Custom (set by installer)
If Finned Tube Baseboard is set;
If Outdoor Reset is not used;
(H) Boost interval time
(Set by installer)
Display of boost interval set
(0~120 min)
If Boost interval time is set at 30 minutes;
(I) Space heating water
pressure
Display of current water pressure
Using sensor in psi
ex) 12.3 psi
psi
(J) Heat Capacity
Display of current heat capacity %
range: 0~100%
% Heat capacity display in percentage
ex) 100%,
(K) Flame State
Display of flame detection current
AD value
Flame ON : Below 70
Flame OFF : Over 175
Displays the flame by flame detection AD value (0~255),
ex) 200
(L) Target RPM Display of target fan motor RPM
Displays RPM deleting the 1st digit,
ex) 3600rpm,
(M) Current RPM Display of current fan motor RPM
Display of RPM by omitting the last digit,
ex) 3600 rpm,
(N) Target APS
Display of target APS voltage
value
Display of the APS value as voltage up to the first decimal place,
ex) 3.2V;