Start-Up; Check For Gas Leaks; Inspect/Fill Condensate System; Final Checks Before Starting The Water Heater - Lochinvar Shield SNR150-100 Installation & Service Manual

9

Start-up

Chlorine concentration less than 200 ppm
1. Do not fill the water heater or operate with water
containing chlorine in excess of 200 ppm.
2. Filling with chlorinated fresh water should be acceptable
since drinking water chlorine levels are much lower.
3. Do not use the water heater to directly heat swimming
pool or spa water.
4. At initial fill and during water heater startup and testing,
check system thoroughly for any leaks. Repair all leaks
before proceeding further.

Check for gas leaks

Before starting the water heater, and
WARNING
during initial operation, smell near
the floor and around the water heater
for gas odorant or any unusual odor.
Remove the top access panel and smell
the interior of the water heater enclosure.
Do not proceed with startup if there is any
indication of a gas leak. Use an approved
leak detection solution. Repair any leaks
at once.
DO NOT adjust or attempt to measure
WARNING
gas valve outlet pressure. The gas valve is
factory-set for the correct outlet pressure.
This setting is suitable for natural gas
and propane (when configured for LP),
requiring no field adjustment. Attempting
to alter or measure the gas valve outlet
pressure could result in damage to the
valve, causing potential severe personal
injury, death, or substantial property
damage.
Figure 9-1 Condensate Trap
2" PVC CAP WITH
BLOCKED DRAIN SWITCH
RETAINING SCREW
CONDENSATE DRAIN

Inspect/fill condensate system

Inspect/check condensate lines and fittings
1. Inspect the condensate drain line, condensate PVC fittings
Fill condensate trap with water
1. Remove the PVC cap retaining screw from the PVC cap
2. Remove the 2 inch PVC cap with the switch located at the
3. Fill with fresh water until the water begins to pour out of
4. Replace the cap. Press the cap onto the trap until the cap
5. Replace the retaining screw.
Final checks before starting the water
heater
 Read this manual to familiarize yourself with electronic
 Verify the water heater and system are full of water and all
 Verify the preparation procedures of Section 9, pages 47
CONDENSATE FROM
HEAT EXCHANGER
 Fill the vent condensate trap with water (removing the
 Verify electrical connections are correct and securely
 Inspect vent piping and air piping for signs of deterioration
REMOVABLE CAP
TO CLEAN OUT TRAP
Installation & Service Manual
TM
Propane water heaters only – Your propane
WARNING
supplier mixes an odorant with the propane
to make its presence detectable. In some
instances, the odorant can fade, and the gas
may no longer have an odor. Before startup
(and periodically thereafter), have the
propane supplier verify the correct odorant
level in the gas.
and condensate trap.
(FIG. 9-1).
top of the trap (FIG. 9-1).
the drain.
makes contact with the drain.
The condensate trap (FIG. 9-1) must be filled
WARNING
with water during all times of water heater
operation to avoid flue gas emission from
the condensate drain line. Failure to fill the
trap could result in severe personal injury
or death.
control module operation. Read pages 49 and 50 for proper
steps to start the water heater.
system components are correctly set for operation.
and 48 have been completed.
retaining screw in order to remove the 2 inch PVC cap with
the switch located at the top of the trap). Replace the cap.
Press the cap onto the trap until the cap makes contact with
the drain. Replace the retaining screw.
attached.
from corrosion, physical damage or sagging. Verify air
piping and vent piping are intact and correctly installed per
this manual.
47