22
MECHANICAL VENTING
SINGLE UNIT INSTALLATION
When mechanical venting of these heaters is desired, the following
kits are available.
Models CG(N,L)120070 through CG(N,L)199100(A)
part number 9006015
Models CG(N,L)250100(A) through CG(N,L)400100(A)
part number 9006016
Where an approved power venter is to be installed to operate in
conjunction with the water heater thermostat, the following codes
must be adhered to. Field wiring should conform to the current
edition of the National Electrical Code NFPA 70. For Canadian
installations the electrical connections and grounding shall be done
in accordance with the current edition of the Canadian Electrical
Code CSA C22.1 and/or local codes.
VENT INSTALLATION
Seal all joints between the power venter and the vent termination.
This is to prevent leakage of exhaust products into the room(s)
due to positive pressure of blower.
The “Sequence of Operation” description will be the same with
mechanical venting except,
When the appliance thermostat calls for heat:
Thermostat contacts “Close” and the power venter blower
(120 VAC) is energized. Sufficient draft must be established for
the “Draft Prover Switch (N.O.)” to “Close”. When the draft prover
switch “Closes” the relay coil of the flue damper is energized.
See side wall vent kit installation manual for complete instructions.
MULTIPLE UNIT INSTALLATIONS
For multiple unit installations, contact Lochinvar
, Parts
Department, 300 Maddox Simpson Pkwy, Lebanon,
TN 37090, Phone: 615-889-8900 • Fax: 615-882-2918, email:
[email protected], www.Lochinvar.com.
T
ABLE 5
MANIFOLD GAS PRESSURE IN INCHES
OF WATER COLUMN (ALL MODELS*)
TYPE OF GAS
NATURAL PROPANE
3.5 10.0
Gas pressure specified in Table 5, refer to flow pressure taken at
pressure tap of automatic gas valve while heater is operating.
TABLE 6
APPROXIMATE TIME REQUIRED TO CONSUME
1 CU. FT. OF GAS AT FULL CAPACITY
INPUT
TYPE
BTUH
TIME REQ’D
RATE
OF
PER
TO CONSUME
(BTUH)
GAS
CU. FT.
1 CU. FT.
OF GAS
120,000
NATURAL
1050
31.5 SEC.
PROPANE
2500
75.0 SEC.
154,000
NATURAL
1050
24.5 SEC.
PROPANE
2500
58.4 SEC.
180,000
NATURAL
1050
21.1 SEC.
PROPANE
2500
50.3 SEC.
199,000
NATURAL
1050
19.0 SEC.
PROPANE
2500
47.4 SEC.
250,000
NATURAL
1050
15.1 SEC.
PROPANE
2500
35.3 SEC.
251,000
NATURAL
1050
15.06 SEC.
PROPANE
2500
35.1 SEC.
275,000
NATURAL
1050
13.75 SEC.
PROPANE
2500
32.2 SEC.
305,000
NATURAL
1050
12.4 SEC.
PROPANE
2500
29.5 SEC.
360,000
NATURAL
1050
11.4 SEC.
PROPANE
2500
24.0 SEC.
365,000
NATURAL
1050
10.4 SEC.
PROPANE
2500
24.7 SEC.
390,000
NATURAL
1050
9.5 SEC.
PROPANE
2500
22.6 SEC.
Figures shown are valid for 0-2000 ft.(0-610m) installations. See
“HIGH ALTITUDE INSTALLATIONS” for deration requirements
over 2000 ft.(610m).
TABLE 7
PILOT BURNER INFORMATION
TYPE OF
PILOT BURNER
RATED
MODEL
GAS
PART NUMBER
ORIFICE
(WITH ORIFICE)
SIZE
ALL
NATURAL
9004541215
0.018
MODELS
PROPANE
9004542215
0.014
Содержание CG 120 THRU 400A
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