Lennox Hearth Products Direct Vent MPD-33 Series Installation Instructions Manual Download Page 2

2

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

Figure 1

Electronic appliances are designed to operate
on natural or propane gas. An electronic inter-
mittent pilot ignition system provides safe,
efficient operation. External electrical power is
required to operate these units.

These appliances comply with National Safety
Standards and are tested and listed by Omni-
Test Laboratories (Report No. 116-F-13-4) to
ANSI Z21.88 (in Canada, CSA-2.33), and CAN/
CGA-2.17-M91 in both USA and Canada, as
vented gas fireplace heaters.

Both millivolt and electronic versions of
these  appliances are listed by Omni-Test
Laboratories for installation in bedrooms
and mobile homes.

Installation must conform to local codes. In the
absence of local codes, installation must com-
ply with the current National Fuel Gas Code,
ANSI Z223.1. (In Canada, the current CAN-1
B149 installation code.)

TABLE OF CONTENTS

Packaging ........................................ page

2

Introduction ..................................... page

2

General Information ......................... page

2

Location .......................................... page

4

Appliance  and Vent Clearances ....... page

4

Vent Termination Clearances ........... page

5

Typical Installation Sequence .......... page

5

Detailed Installation Steps ............... page

6

Step 1. Framing ............................. page

6

Step 2. Routing Gas Line ............... page

6

Fireplace Specifications ................... page

9

Step 3. Install the Venting System . page

9

Requirements for Commonwealth

  of Massachusetts .......................... page

9

Vertical Termination Systems .......... page 11

Vent Section Length Chart ............... page 11

Vertical Vent Tables and Figures ...... page 11

Horizontal Termination System ........ page 16

Horizontal Vent Tables and Figures . page 18

Venting Using Flexible Vent Pipe ..... page 21

Step 4. Field Wiring ....................... page 22

Step 5. Optional Blower Kit Wiring page 22

Step 6. Connecting Gas Line .......... page 23

Step 7. Installing Logs ................... page 24

Step 8. Checking Unit Operation ..... page 24

Step 9. Installing Glass Door ......... page 24

Step 10. Burner Adjustments ........... page 25

Step 11. Hood Installation ............... page 25

Finishing Requirements ................... page 25

Cold Climate Insulation .................... page 26

Installation Accessories ................... page 27

Gas Conversion Kits .................. page 29

TYPICAL INSTALLATION

DO NOT ATTEMPT TO ALTER OR MODIFY
THE CONSTRUCTION OF THE APPLIANCE OR
ITS COMPONENTS. ANY MODIFICATION OR
ALTERATION MAY VOID THE WARRANTY,
CERTIFICATION AND LISTINGS OF THIS UNIT.

INTRODUCTION

These fireplaces are designed, tested and listed
for operation and installation with, and only with,
Secure Vent™ Direct Vent System Components,
Secure Flex™ Flexible Vent Components manu-
factured by Security Chimneys International and
Z-Flex™ Model GA Venting Systems, listed to
UL1777 and ULCS635 manufactured by Flex-
master Canada Limited.  These approved vent
system components are labeled for identifica-
tion.  DO NOT use any other manufacturer's vent
components with these appliances.

Millivolt  appliances are designed to operate on
natural or propane gas. A millivolt gas control
valve with piezo ignition system provides safe,
efficient operation. External electrical power is
required to operate the optional blower if in-
stalled in these units.

GENERAL INFORMATION

Note: Installation and repair should be per-
formed by a qualified service person. The appli-
ance should be inspected annually by a quali-
fied professional service technician. More fre-
quent inspections and cleanings may be re-
quired due to excessive lint from carpeting,
bedding material, etc. It is imperative that the
control compartment, burners and circulating
air passage ways of the appliance be kept clean.

S'assurer que le brùleur et le compartiment des
commandes sont propres.  Voir les instruc-
tions d'installation et d'utilisation qui
accompagnent l'appareil.

Provide adequate clearances around air open-
ings and adequate accessibility clearance for
service and proper operation. Never obstruct
the front openings of the appliance.

These appliances are designed to operate on
natural or propane gas only.

Millivolt Models -
Millivolt models come standard with the manu-
ally-modulated gas valve; flame appearance and
heat output can be controlled at the gas valve.

Please read and understand these

instructions before beginning your

installation.

This installation manual will help you obtain a
safe, efficient, dependable installation for your
appliance and vent system.

PACKAGING

The  assembled vented gas fireplace heater  is
packaged with:

1 - one log set located in firebox area.
2 - one envelope containing the literature
package which consists of the homeowner's
manual, installation instructions, log set supple-
ment and warranty; envelope is located in the
control area.
3 - one vent restrictor to be applied as shown on
page 10; restrictor  is taped to the envelope.
4 - one hood located behind the top panel.
5 -  one bag of decorative volcanic stone located
in the control area.
6 - one bag of glowing embers located in the
control area.
7 - one bag of vermiculite located in control area.

Electrical wiring must comply with the National
Electrical Code ANSI/ NFPA 70 - (latest edition).
(In Canada, the current CSA C22-1 Canadian
Electrical Code.)

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

Summary of Contents for Direct Vent MPD-33 Series

Page 1: ...850 014CF Ce manuel d installation est disponible en francais simplement en faire la demande Num ro de la pi ce 850 014CF s l e d o M t l o v i l l i M s l e d o M c i n o r t c e l E M N C 8 2 3 3 T...

Page 2: ...ntsmanu facturedbySecurityChimneysInternationaland Z Flex Model GA Venting Systems listed to UL1777 and ULCS635 manufactured by Flex master Canada Limited These approved vent system components are lab...

Page 3: ...rving a separate solid fuel burning appliance These heater rated appliances are intended for use as supplemental heaters only Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning are sim...

Page 4: ...ble 2 APPLIANCE AND VENT CLEARANCES The appliance is approved with zero clearance to combustible materials on all sides as de tailed in Table 2 with the following exception When the unit is installed...

Page 5: ...e and do not supersede local codes in any way Install vent according to local codes these instructions the current National Fuel Gas Code ANSI Z223 1 in the USA or the current standards of CAN CGA B14...

Page 6: ...or securing the glass door Remove the door by tilting it outward at the bottom and lifting it up Set the door aside protecting it from inadvertent damage See Figure 53 on page 24 The fireplace should...

Page 7: ...o t a l u g e r r e t e m t e e f 5 1 f o t h g i e h a n i h t i w m c 1 9 t e e f 3 y l b m e s s a r o t a l u g e r r e t e m e h t e v o b a t e e f 5 1 f o t h g i e h a n i h t i w m c 1 9 t e...

Page 8: ...MPD 4540 Models Dimensions D and F occur when one 45 degree elbow is connected directly to the appliance collar MPD and MPDR units D E F A B MPD and MPDT units o N l e d o M A B C D E 8 2 3 3 T D P M...

Page 9: ...3 8 1 5 4 6 1 1 1 6 2 8 7 4 3 6 1 7 7 1 9 3 9 3 6 1 m m 6 4 1 1 3 4 9 0 1 6 3 0 0 1 6 4 1 1 8 7 6 6 8 8 3 4 4 0 2 2 6 7 0 2 2 6 7 6 0 4 Step 3 INSTALL THE VENT SYSTEM General Information Theseinstruc...

Page 10: ...ALL AND SECURELY TIGHTEN COVER PLATE SCREWS COULD RESULT IN LEAKAGE OF FLUEPRODUCTSINTOTHELIVINGSPACE VENTCOVERPLATEANDVENTSEALPLATE MUSTREMAINSECURELYINSTALLEDON UNUSED VENT COLLAR FAILURE TO DO SO C...

Page 11: ...2 5 2 1 8 1 0 1 0 6 0 7 5 9 2 2 5 2 1 9 1 0 0 1 6 0 7 5 2 3 2 5 7 3 9 1 0 0 0 0 5 5 7 3 2 5 7 9 1 1 0 0 0 5 6 5 1 4 2 5 2 1 0 2 0 0 0 7 0 7 6 4 2 5 0 2 1 0 0 7 0 8 2 5 2 1 2 0 1 0 7 0 8 4 6 2 2 2 0 0...

Page 12: ...nd number of elbows required Refer to Vertical Vent Figures and Tables on page 14 and 15 to select the type of vertical installation desired Vent sections are available in net lengths of 4 1 2 114 mm...

Page 13: ...ction to align with the required direction of the next vent run element Twist elbow sections in a clockwise direction only so as to avoid the possiblity of unlocking any of the previously connected ve...

Page 14: ...ed then 4 feet mini mum V vertical vent will be required This table shows a 1 V to 2 H ratio For every 1 foot of V vertical you are allowed 2 feet of H horizontal run up to a maximum horizontal run of...

Page 15: ...V1 Ceiling Firestop Spacer SV4 5VF Wall Firestop Spacer SV4 5HF When using Secure Flex use Firestop Spacer SF4 5VF When using Secure Flex use Firestop Spacer SF4 5HF Example If20feetof H horizontalven...

Page 16: ...Push the vent component against the previous section until it fully engages then twist the component clockwise running the dimples down and along the incline channels until they seat at the end of th...

Page 17: ...the telescopic vent section SV4 5LA as the last vent section For wall thicknesses greater than that shown in Figure 32 refer to Table 4 on page 18 This table lists the additional venting components ne...

Page 18: ...level Note Secure Vent components rigid vent pipe and terminal are shown in the figures SecureFlexcomponents flexibleventpipeand terminal may also be used Note Two45degreeelbowsmaybeusedinplace ofone...

Page 19: ...s meters meters H1 V H Wall Firestop Spacer SV4 5HF Ceiling Firestop Spacer SV4 5VF When using Secure Flex use Firestop Spacer SF4 5HF When using Secure Flex use Firestop Spacer SF4 5VF Example If 20...

Page 20: ...feet of H horizontal run up to a maxi mum horizontal run of 20 feet An elbow is acceptable as 1 foot of vertical rise except where an elbow is the only vertical component in the system See Figure 35...

Page 21: ...with the inlets of the four incline channels of the last vent sectionorcollar Pushontheadapteruntilitfully engages then twist the adapter clockwise run ning the dimples down and along the incline chan...

Page 22: ...and Honeywell Millivolt Wiring See Figure 43 1 Select any of the following optional con trols appliance mounted rocker switch or wall mounted switch thermostat oroneofthe optional remote control kits...

Page 23: ...G e t i h W l a r t u e N OPENING CONTROL COMPARTMENT DOOR The millivolt control valve has a 3 8 10 mm NPT thread inlet port The electronic control valve has a 1 2 13 mm NPT thread inlet port and is f...

Page 24: ...he firebox floor to the door s vee flange Close both the latches securely Electronic Appliance Checkout To light the burner turn ON the optional remote wall switch and turn the gas control switch to t...

Page 25: ...N 8 1 2 3 p o r P 2 1 3 1 Figure 54 The adjustment rod and associated adjustable air shutter is patented technology Flame ad justments can be made quickly and accurately to taste without the need of...

Page 26: ...ent door Any hearth extension used is for appearance only and does not have to conform to standard hearth extension installation requirements Note Combustible wall finish materials and or surround mat...

Page 27: ...m 0 1 6 h c n i 4 2 n o i t c e S 3 7 L 7 7 6 3 L 5 4 V S t n e V m m 4 1 9 h c n i 6 3 n o i t c e S 4 7 L 7 7 8 4 L 5 4 V S t n e V m m 9 1 2 1 h c n i 8 4 n o i t c e S 5 7 L 7 7 A L 5 4 V S n o i...

Page 28: ...x e l F r o f n i m r e T l a c i t r e V n o i t c e s r e t p a d A x e l F h t i w 2 1 2 1 r a l l o c t r o p p u s f o o r t n e v d i g i r f o d n a g n i h s a l f f o o r y l b m e s s a r a...

Page 29: ...ecuring screws WARNING THIS CONVERSION KIT SHALL BE INSTALLED BY A QUALIFIED SERVICE AGENCY IN ACCORDANCE WITH THE MANUFACTURER S IN STRUCTIONS AND ALL APPLICABLE CODES AND REQUIREMENTS OF THE AUTHORI...

Page 30: ...re 61 s m e t s y S T I S t l o v i l l i M n o i s r e v n o C s a G e n a p o r P o T l a r u t a N s t i K s l e d o M e p y T t i n U o N g o l a t a C 8 2 3 3 T D P M 8 2 3 3 R D P M t l o v i l...

Page 31: ...On Any Side Of The Hex Fitting b Attach manometer to the manifold side pressure test fitting and verify manifold pres sure reads 3 5 inches water column 0 87 kPa for natural gas and 10 0 inches water...

Page 32: ...it Remove the slotted cap screw o ring pressure regulating adjusting screw and spring Retain all parts for possible later use Install new components from the kit Black cap and red spring for propane g...

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