Specifications
62
LP- 276 REV. 9.4.14
f. Replace the (4) screws on the aluminum connector on the gas valve. Turn the gas back on. (IMPORTANT: CHECK FOR
GAS LEAKS BEFORE TURNING THE APPLIANCE ON!)
g. Turn the boiler power back on and create a demand on the boiler. When boiler is lit, observe condensate flow from the
boiler. Be sure the boiler is operating properly.
h. Re-connect the condensate piping to the outside condensate connection.
C. CLEANING WATER SIDE OF HEAT EXCHANGER
1. Make sure power is turned off to the boiler. Run water through the hot water system to assure it is below room temperature.
2. Close isolation valves on the return and supply connections to the heaters as shown in the piping diagrams within this manual.
Slowly open the ball valves and release pressure into a bucket. Once pressure is released, connect a hose to the water line to flush the
heater. Scale removing solution may be used, but must be approved for use with stainless steel and FDA approved for use in a potable
water system.
NOTE: USE OF CLEANERS THAT ARE INCOMPATIBLE WITH STAINLESS STEEL AND NOT FDA-APPROVED WILL VOID THE
BOILER WARRANTY.
3. Thoroughly flush the heat exchanger before commissioning the unit back in service.