Raypak 130A, Operation Manual

Page: 15 / 24

Operation
Page 13
P
OST
S
TART
-U
P
I
NSPECTION
Feel the inlet and outlet pipes. Outlet pipe should
be only slightly warmer than the inlet. It should not be
hot.
WARNING
SHOULD OVERHEATING OCCUR OR THE GAS SUPPLY
FAIL TO SHUT OFF, TURN OFF THE MANUAL GAS CON-
TROL TO THE APPLIANCE.
With the heater on, remove the door and make a visual
check of the pilot and burner. The flame should be blue with a
well-defined pattern.
Figure 20. Correct Main Burner Flame Pattern.
A yellow or "floating" flame indicates restricted air open-
ings or incorrect orifice size. Should this occur, shut the
heater off and contact the installer or gas supplier.
Figure 21. Millivolt Pilot Burner Flame.
Figure 22. DSI Igniter Location.
Igniter
Minimum Spark Gap is 0.15” - 0.18”
3/8” Nominally from burner surface
Head of Pilot
must be above
Burner Deck.
4“ MAX
C
OLD
W
EATHER
O
PERATION
M
ODERATE
C
LIMATE
Heater operation can continue during short-term cold
spells. When temperatures are between 0° and 32°F, flow
(continuous pump operation) must be maintained.
CAUTION
DO NOT USE THE HEATER TO MAINTAIN WATER TEM-
PERATURES JUST ABOVE FREEZING OR FOR FREEZE
PROTECTION. WHEN HEATER IS USED DURING FREEZ-
ING WEATHER, CARE MUST BE TAKEN TO AVOID
FREEZE-UPS. CONTINUOUS PUMP OPERATION IS A
MUST. ADDITIONAL PROTECTION MAY BE REQUIRED.
THE HEATER IS NOT WARRANTED AGAINST FREEZE-
UPS.
C
OLD
C
LIMATE
Prolonged operation with water temperatures below 50°F
is not recommended. When starting the heater with water
temperatures below 50°F, operate the heater continuously
until higher temperatures are reached. Operating the heater
for prolonged periods with pool water below 50°F can seri-
ously damage the heater, and is not covered by the warranty.
For cold climate areas, please follow the winterizing pro-
cedures listed in the next section.
W
INTERIZING THE
P
OOL
/S
PA
H
EATER
Heaters installed outdoors in freezing climate areas may
be shut down for the winter. Observe the following procedure
for winterizing the heater.
1. Turn off gas valve, manual gas valve, and electrical sup-
ply to the heater.
2. Open drain plug located on the In/Out header, under the
water pipes.
Figure 23. In/Out Header Drain Plug Location.
3. Open the union fittings on the In/Out water lines to break
any vacuum in the system. Alternatively, remove the 2
wires from the water pressure switch and unscrew the
water pressure switch to break any vacuum in the system.
In/Out Header
Drain Plug