Troubleshooting; No Power To Heater; Initial Electrical Checks - Calcana SR Series Specifications, Installation, Operation Service And Spare Parts Manual

SR-SERIES
26.0

TROUBLESHOOTING

NO POWER TO HEATER

CAUTION: Prior to performing any service or maintenance work on the unit:
a) disconnect the electrical supply
b) shut off gas to supply unit
c) make sure unit has cooled down before opening service panel
Only allow qualified, licensed, service people trained to service gas fired heating equipment to perform any
repairs on this unit. All replacement parts MUST originate from the manufacturer of this heater in order not
to void CGA/AGA certification.
Safety devices are not allowed to be rendered inoperative and left unattended. Failure to do any of the above
can cause property damage, injury or death.

INITIAL ELECTRICAL CHECKS

a) Make sure thermostat is calling for heat.
b) Make sure electrical connection is secure.
c) Check electrical supply for blown fuse or breaker.
d) Test for power to burner head.
e) Check wiring to components. Refer to wiring diagrams on pages 69 to 72. Also refer to legend
below; this legend is located on the control module.
S1
GND
V2
R
L1
IND
V1
PSW
W
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and
dangerous operation. A functional checkout of a replacement control is recommended. Verify proper operation
after servicing.
Attention. Au moment de I' entretien commandes, étiquetez tous les fils avant Ie débranchement. D'erreurs de
câblage peuvent entraîner un fonctionnement inadéquat et dangereux. S'assurer que I' appareil fonctionne
adéquatement une fois I' entretien termine.
Warning:
TERMINAL DESIGNATIONS
SYSTEM GROUND (GREEN)
VALVE GROUND (BROWN)
120/240 VAC INPUT (HOT) (BLACK)
INDUCER FAX OUTPUT (BLACK)
VALVE POWER (WHITE)
PRESSURE SWITCH INPUT (RED)
THERMOSTAT INPUT (RED)
76
NOT USED
NOT USED