Start-Up Instructions - Cambridge Engineering S Series Technical Manual

START-UP INSTRUCTIONS

START-UP PROCEDURE
1. Visual Inspection Of Equipment
(page 24)
2. Electrical Supply Voltage Verification
(page 24)
3. Gas Supply Pressure Verification
(page 24)
4. Blower Rotation Check
(page 25)
5. Motor Amp Draw Check
(page 25)
6. Burner Manifold Pressure Adjustment
(page 25)
7. Minimum Fire Adjustment
(page 26)
8. Calibration Check
(page 27)
9. Gas Train Leak Check
(page 27)
10. Gas Valve Leak Check
(page 28)
11. Remote Control Station Check
(page 28)
12. Final Heater Preparation
(page 29)
After start-up, please complete and fax the S-Series
Start Up Checklist to the Cambridge Customer
Service Group. Receipt of a completed checklist
will extend the start date for your warranty period to
the date of the start-up but not to exceed six months
from date of shipment.
IMPORTANT
Read the following instructions carefully. Any un-
authorized modifications to or deviations from these
instructions will void the warranty.
Cambridge Engineering, Inc.
1. VISUAL INSPECTION OF EQUIPMENT
a. Check for any physical damage from shipping or
installation that could render the heater inoperable.
b. Verify that all heater accessories and filters (if
applicable) have been properly installed.
c. Check for loose components (belts, plugs, screws,
blower wheel lugs, etc.).
d. On units with external gas trains, verify that the
distance from the last safety shut-off valve to the
heater does not exceed four feet.
e. Verify that the field wiring, both primary and con-
trol, has been installed according to the Cambridge
wiring diagram, National Electrical Code, and local
electrical codes.
f. Verify that a sediment trap has been installed
upstream of all gas controls.
g. Verify that the high pressure regulator, if applica-
ble, has been vented to the outside at least 10' from
the heater intake.
h. Verify that the unions in the gas piping located at
the burner and just external to the heater housing,
are tight.
2. ELECTRICAL SUPPLY VOLTAGE
VERIFICATION
Check the electrical supply voltage at the disconnect
switch.
Do not proceed with start-up unless the supply
voltage agrees with the nameplate voltage. If the
supply voltage does not agree with the nameplate
voltage, check with your local agent or Cambridge
Engineering's Customer Service Group at 1-800-
473-4569 to determine what changes are required.
3. GAS SUPPLY PRESSURE
VERIFICATION
Check the gas supply pressure.
Do not proceed with start-up unless the gas supply
pressure agrees with nameplate pressure require-
ments. If the gas supply pressure is in excess of the
maximum pressure indicated, a separate positive
24
IMPORTANT
IMPORTANT
S-Series Technical Manual