Htp EFT-399 User Manual

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

10 LP-387 REV. 6.10.14  Installation Manual  Warranty 

11 LP-387 REV. 6.10.14 Pump Service Mode – Allows manual op

12 LP-387 REV. 6.10.14 This boiler is certified for indoo

13 LP-387 REV. 6.10.14 Figure 1 – Required Clearances Spa

14 LP-387 REV. 6.10.14 SPECIFICATIONS AND DIMENSIONS Figu

15 LP-387 REV. 6.10.14 D. RESIDENTIAL GARAGE, CLOSET, AND A

16 LP-387 REV. 6.10.14 You must ensure that intake air wil

17 LP-387 REV. 6.10.14 Figure 4 – Pallet with Mounti

18 LP-387 REV. 6.10.14 b. The provided mounting bracket mu

19 LP-387 REV. 6.10.14 Plumbing of this product should on

2 LP-387 REV. 6.10.14 IF THE INFORMATION IN THIS MANUAL

20 LP-387 REV. 6.10.14 C. BACKFLOW PREVENTER Use a backflo

21 LP-387 REV. 6.10.14 F. HYDRONIC PIPING WITH CIRCULATORS,

22 LP-387 REV. 6.10.14 Figure 7 – Near Boiler Piping* – NO

23 LP-387 REV. 6.10.14 Figure 8 – Piping Symbol Legend

24 LP-387 REV. 6.10.14 Figure 9 – Standard Piping with Zo

25 LP-387 REV. 6.10.14 Figure 10 - Standard Piping with

26 LP-387 REV. 6.10.14 Figure 11 – Primary/Secondary Boile

27 LP-387 REV. 6.10.14 Figure 12 – Primary/Secondary Boil

28 LP-387 REV. 6.10.14 Figure 13 – Multiple Boilers – Pr

29 LP-387 REV. 6.10.14 H. PIPING INSTALLATION This boiler

3 LP-387 REV. 6.10.14 The following defined terms are use

30 LP-387 REV. 6.10.14 The chart below represents the vario

31 LP-387 REV. 6.10.14 ACIDITY 6 to 8 pH CONDUCTIVITY Less

32 LP-387 REV. 6.10.14 For installations that incorporate

33 LP-387 REV. 6.10.14 PART 6 – VENTING, COMBUSTION AIR, AN

34 LP-387 REV. 6.10.14 B. APPROVED MATERIALS FOR EXHAUST VE

35 LP-387 REV. 6.10.14 Cellular foam core piping may be us

36 LP-387 REV. 6.10.14 NOTE: Due to potential moisture bui

37 LP-387 REV. 6.10.14 CONDENSATE TRAP INSTALLATION INST

38 LP-387 REV. 6.10.14 Figure 16 - Condensate Piping Sugge

39 LP-387 REV. 6.10.14 Figure 17 – Piping Exhaust around O

4 LP-387 REV. 6.10.14 Code for the installation of Heat Pro

40 LP-387 REV. 6.10.14 b. For example: If the 3” exhaust ve

41 LP-387 REV. 6.10.14 G. DIAGRAMS FOR SIDEWALL VENTING N

42 LP-387 REV. 6.10.14 Figure 20 – LP-387-E NOTE: Vent pip

43 LP-387 REV. 6.10.14 H. DIAGRAM FOR HORIZONTAL VENTING F

44 LP-387 REV. 6.10.14 I. DIAGRAM FOR UNBALANCED FLUE / VER

45 LP-387 REV. 6.10.14 J. DIAGRAM FOR VERTICAL VENTING Fig

46 LP-387 REV. 6.10.14 K. VENTING THROUGH AN EXISTING SYSTE

47 LP-387 REV. 6.10.14 VENT / AIR INLET SIZE MINIMUM EXIST

48 LP-387 REV. 6.10.14 L. INDOOR COMBUSTION AIR INSTALLATIO

49 LP-387 REV. 6.10.14 Figure 27 – 1, 27 - 2 NOTE: These

5 LP-387 REV. 6.10.14 TABLE OF CONTENTS PART 1 – GENERAL SA

50 LP-387 REV. 6.10.14 PART 7 – GAS PIPING FAILURE TO FOLL

51 LP-387 REV. 6.10.14 4. It is important to support gas p

52 LP-387 REV. 6.10.14 may be undersized or in need of serv

53 LP-387 REV. 6.10.14 Strain on the gas valve and fitting

54 LP-387 REV. 6.10.14 D. LINE VOLTAGE WIRING FOR STANDARD

55 LP-387 REV. 6.10.14 H. OUTDOOR SENSOR NOTE: If the syst

56 LP-387 REV. 6.10.14 NOTE: When a 0-10 volt building mana

57 LP-387 REV. 6.10.14 Figure 33 – Cascade Resistor Plug I

58 LP-387 REV. 6.10.14 Figure 34 – Cascade Master and Fo

59 LP-387 REV. 6.10.14 Figure 35 – Internal Connection Dia

6 LP-387 REV. 6.10.14 N. ZONING WITH CIRCULATORS ...

60 LP-387 REV. 6.10.14 PART 9 – START-UP PREPARATION Thoro

61 LP-387 REV. 6.10.14 2. Freeze protection fluid must be

62 LP-387 REV. 6.10.14 E. PURGE AIR FROM WATER SYSTEM IMPO

63 LP-387 REV. 6.10.14 Condensate is slightly acidic (typic

64 LP-387 REV. 6.10.14 J. LOCKOUT CONDITION If any boilers,

65 LP-387 REV. 6.10.14 ENTER key to accept the code entered

66 LP-387 REV. 6.10.14 DHW SET POINT 119 oF Function: A

67 LP-387 REV. 6.10.14 SCREEN DESCRIPTION Function 1 Fact

68 LP-387 REV. 6.10.14 Function 24 Cascade Rotation CASCAD

69 LP-387 REV. 6.10.14 Press ENTER on the display for 3 se

7 LP-387 REV. 6.10.14 D. FILL AND TEST WATER SYSTEM ...

70 LP-387 REV. 6.10.14 DHW SET 119 oF DHW

71 LP-387 REV. 6.10.14 Press the ▼ key once. FAULT HISTORY

72 LP-387 REV. 6.10.14 NOTE: The boiler will automatically

73 LP-387 REV. 6.10.14 PART 13 – TROUBLESHOOTING A. BOILER

74 LP-387 REV. 6.10.14 D. USER INTERFACE DISPLAY Cascade Co

75 LP-387 REV. 6.10.14 SCREEN DESCRIPTION POSSIBLE REMEDY F

76 LP-387 REV. 6.10.14 Fault Code F09 NO FLAME ON IGN

77 LP-387 REV. 6.10.14 SCREEN DESCRIPTION POSSIBLE REMEDY F

78 LP-387 REV. 6.10.14 Table 29 PART 14 – MAINTEN

79 LP-387 REV. 6.10.14 The combustion chamber insulation i

8 LP-387 REV. 6.10.14 PART 1 – GENERAL SAFETY INFORMATION A

80 LP-387 REV. 6.10.14 2. Close isolation valves on the ret

81 LP-387 REV. 6.10.14 Do not install the condensate asse

82 LP-387 REV. 6.10.14 EFT-55 / 80 / 110 PARTS BREAKDOWN F

83 LP-387 REV. 6.10.14 EFT-55 / 80 / 110 PARTS BREAKDOWN F

84 LP-387 REV. 6.10.14 EFT-155 / 199 / 285 / 399 PARTS BREA

85 LP-387 REV. 6.10.14 EFT-155 / 199 / 285 / 399 MODEL PART

86 LP-387 REV. 6.10.14 BOILER START-UP REPORT LIGHT OFF ACT

87 LP-387 REV. 6.10.14 INSPECTION ACTIVITIES DATE LAST COM

88 LP-387 REV. 6.10.14

89 LP-387 REV. 6.10.14

9 LP-387 REV. 6.10.14  Do not use petroleum-based cleanin

90 LP-387 REV. 6.10.14 MAINTENANCE NOTES

91 LP-387 REV. 6.10.14 HTP CUSTOMER INSTALLATION RECORD FO