Htp 199-55SA User Manual

120 Braley Rd. P.O. Box 429 East Freetown, MA 02717-0429 www.htproduc

10 LP-179 REV. 3.21.14 C. CLEARANCES FOR SERVICE ACCESS Fig

11 LP-179 REV. 3.21.14 1. DIRECT VENT INSTALLATION OF EXHAU

12 LP-179 REV. 3.21.14 PRODUCTS TO AVOID AREAS LIKELY TO H

13 LP-179 REV. 3.21.14 H. WATER CHEMISTRY Chemical imbalan

14 LP-179 REV. 3.21.14 Figure 3 – *ALL DIMENSIONS ARE APPR

15 LP-179 REV. 3.21.14 COLD WEATHER HANDLING – If the hea

16 LP-179 REV. 3.21.14 B. SCALDING This heater can deliver

17 LP-179 REV. 3.21.14 EXPANSION TANK AND MAKE-UP WATER 1.

18 LP-179 REV. 3.21.14 H. PIPING DIAGRAMS Figure 4 – Phoen

19 LP-179 REV. 3.21.14 Figure 5 – Phoenix with Air Handler

2 LP-179 REV. 3.21.14 IF THE INFORMATION IN THIS MANUAL

20 LP-179 REV. 3.21.14 Figure 6 – Reverse Manifold and Pip

21 LP-179 REV. 3.21.14 Figure 7 –Closed Loop with Radiant

22 LP-179 REV. 3.21.14 Figure 8 – Phoenix With Storage Tan

23 LP-179 REV. 3.21.14 Figure 9 – Phoenix with Recirculat

24 LP-179 REV. 3.21.14 The standard unit does not meet t

25 LP-179 REV. 3.21.14 PART 5 – VENTING, COMBUSTION AIR AND

26 LP-179 REV. 3.21.14  The exhaust and intake componen

27 LP-179 REV. 3.21.14 D. EXHAUST VENT AND INTAKE PIPE LOCA

28 LP-179 REV. 3.21.14 For each floor containing bedroom(s

29 LP-179 REV. 3.21.14 Total maximum equivalent length of

3 LP-179 REV. 3.21.14 The following defined terms are used

30 LP-179 REV. 3.21.14 DESCRIPTION STOCK CODE 2” PVC CONCEN

31 LP-179 REV. 3.21.14 Figure 12 – Sidewall Venting - NOTE

32 LP-179 REV. 3.21.14 Figure 13 – Concentric Venting - NO

33 LP-179 REV. 3.21.14 Figure 14 – LP-179-F - NOTE: This d

34 LP-179 REV. 3.21.14 Figure 15 – Horizontal Venting - NO

35 LP-179 REV. 3.21.14 Contractors must check state and lo

36 LP-179 REV. 3.21.14 VENT / AIR INLET SIZE MINIMUM EXISTI

37 LP-179 REV. 3.21.14 Figure 19

38 LP-179 REV. 3.21.14 I. CONDENSATE REMOVAL SYSTEM NOTE: C

39 LP-179 REV. 3.21.14 A. LINE VOLTAGE INPUT The heater mus

4 LP-179 REV. 3.21.14 The latest version of the National El

40 LP-179 REV. 3.21.14 D. INTERNAL WIRING DIAGRAM Figure 2

41 LP-179 REV. 3.21.14 Figure 23 – LP-179-L

42 LP-179 REV. 3.21.14 PART 7 – GAS CONNECTIONS Failure to

43 LP-179 REV. 3.21.14 If an in-line regulator is used, it

44 LP-179 REV. 3.21.14 PART 8 – START-UP PROCEDURE FOR YOU

45 LP-179 REV. 3.21.14 |d3| — |0| (Not used) |d4| — |308|

46 LP-179 REV. 3.21.14 Figure 26 - NOTE: The maximum tank

47 LP-179 REV. 3.21.14 PART 9 – SHUTDOWN A. SHUTDOWN PROCED

48 LP-179 REV. 3.21.14 When servicing or replacing compone

49 LP-179 REV. 3.21.14 Table 15 - NOTE: If you replace a pa

5 LP-179 REV. 3.21.14 F. LONGER VENT RUNS ...

50 LP-179 REV. 3.21.14 Figure 27 – LP-179-J

51 LP-179 REV. 3.21.14 Figure 28 – LP-179-H

52 LP-179 REV. 3.21.14 PART 11 - MAINTENANCE In unusually

53 LP-179 REV. 3.21.14

54 LP-179 REV. 3.21.14

55 LP-179 REV. 3.21.14 MAINTENANCE NOTES

56 LP-179 REV. 3.21.14 HTP CUSTOMER INSTALLATION RECORD F

6 LP-179 REV. 3.21.14 INSTALLER – Read all instructions i

7 LP-179 REV. 3.21.14 PART 2 – BEFORE YOU START A. WHAT’S

8 LP-179 REV. 3.21.14 Lower Return Tank Sensor This senso

9 LP-179 REV. 3.21.14 A. BEFORE LOCATING THE HEATER Incorr