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Sub-Zero Wolf 400 Series Service Manual
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Sub-Zero Wolf 400 Series Service Manual

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subzero.com
800.222.7820
400
Service Manual
Component Access & Removal
61

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Summary of Contents for Sub-Zero Wolf 400 Series

  • Page 1 subzero.com 800.222.7820 Service Manual Component Access & Removal...

  • Page 2: Component Access And Removal

    400 Series 400 Series Component Access and Removal COMPONENT ACCESS AND REMOVAL: This section explains how to access and remove components on / in a 400 Series unit. Due to the diversity of the 400 Series, this section is divided into three sub-sections with the model 424 being covered first, followed by the models 427 and 427R, and the third sub-section covers the model 430.
  • Page 3 400 Series 400 Series Component Access and Removal MODEL 424 MODEL 424 EXTERIOR COSMETIC AND MECHANICAL COMPONENT REMOVAL: An attempt has been made to arrange these instructions in such a way as to simulate which components would need to be removed first in order to gain access to other components. When following a component removal proce- dure, it may be necessary to reference another removal procedure towards the front of this section.
  • Page 4 400 Series 400 Series Component Access and Removal Door Removal (Model 424) Door Hinge Screw To remove the door you will need to pull the unit approximately 6" out of the rough-in opening and remove the door closer first. (See TIPPING WARNING at beginning of this section) NOTE: If removing a model 424 from its installation, an...
  • Page 5 400 Series 400 Series Component Access and Removal Exterior Wrap Components (Model 424FS ONLY) Stainless Steel Base Cover Assemblies - The base cover assemblies are stuck to the sides of the unit base with double-stick tape. Screws passing through the ends of the kickplate and the base cover front flanges secure the kickplate and covers to the unit base.
  • Page 6 400 Series 400 Series Component Access and Removal Condenser Fan Assembly Access and Removal (Model 424) To access the condenser fan, the unit will need to be pulled from its installation. (See TIPPING WARNING at beginning of this section.) Ground Screw NOTE: If removing a model 424 from its installation, an anti-tip bracket and a countertop bracket may have...
  • Page 7 400 Series 400 Series Component Access and Removal MODEL 424 INTERIOR COSMETIC COMPONENT ACCESS AND REMOVAL An attempt has been made to arrange these instruc- tions in such a way as to simulate which components would need to be removed first in order to gain access to other components.
  • Page 8 400 Series 400 Series Component Access and Removal Upper and Lower Evaporator Fan Cover Access and Mounting Screw Removal (Model 424) There are two access holes in the front of the evapora- Evaporator Cover tor fan cover. The back flanges of the evaporator fan cover have slots that line up with the access holes.
  • Page 9 400 Series 400 Series Component Access and Removal Evaporator Support Cover Access and Removal Evaporator Support Covers (Model 424) The evaporator support covers are narrow covers to the left and right of the lower evaporator cover. The left cover hides the upper compartment drain line and the right cover is over the evaporator thermistor.
  • Page 10 400 Series 400 Series Component Access and Removal Control Panel Assembly Removal (Model 424) Do not break concealed tab NOTE: See ELECTRIC SHOCK WARNING at begin- ning of this section. The control panel assembly is set at the front of the compartment divider and is secured by six screws at the bottom, and a silicone seal under the top flange.
  • Page 11 400 Series 400 Series Component Access and Removal Upper Evaporator Thermistor Access and Removal Screw & P-Clamp (Model 424) NOTE: See ELECTRIC SHOCK WARNING at begin- ning of this section. The upper evaporator thermistor is attached to the right side evaporator bracket with a Phillips-head screw. To remove the upper evaporator thermistor, first remove the two wine racks, all cabinet slides, cabinet slide spacers and cabinet slide support spacers in the upper...
  • Page 12 400 Series 400 Series Component Access and Removal MODEL 424 SEALED SYSTEM COMPONENT ACCESS AND REMOVAL: An attempt has been made to arrange these instruc- tions in such a way as to simulate which components would need to be removed first in order to gain access to other components.
  • Page 13 400 Series 400 Series Component Access and Removal Refrigerant valve access and removal (Model 424) Refrigerant Valves The refrigerant valves are attached to the valve brack- ets with screws and tube clamps, at the back left of the Screw unit tray. (See Figure 6-25) The upper compartment valve is the farthest left.
  • Page 14 400 Series 400 Series Component Access and Removal Compressor Access and Removal (Model 424) Lock Washer The compressor is located at the back of the unit tray. Compressor Washer (See Figure 6-26) Sleeve After evacuating the refrigerant from the sealed system, begin the access and removal procedure by removing the access panel from the bottom back of the unit.
  • Page 15 400 Series 400 Series Component Access and Removal MODELS 427 & 427R NOTE: Since the models 427 and 427R are similar, the access and removal section for these models has been grouped together. The model(s) covered will be listed between brackets after the heading. MODEL 427 &...
  • Page 16 400 Series 400 Series Component Access and Removal Door Assembly Removal (Models 427 & 427R) Remove two inner-most screws at top and bottom The door is held in place with Allen-head screws that hinge with door open. pass down through the arm of the top hinge assembly Remove two outer-most screws at bottom hinge and up through the arm of the bottom hinge assembly...
  • Page 17 400 Series 400 Series Component Access and Removal NOTE: See HEAVY DOOR WARNING and DOOR CLOSER CAUTION at beginning of this section. To remove a hinge assembly, you will need to remove Bolt the door first. Begin by opening the door and removing both hinge covers.
  • Page 18 400 Series 400 Series Component Access and Removal MODEL 427 & 427R INTERIOR COSMET- Refrigerant Valve Solenoid Access and Removal (Models 427 & 427R) IC COMPONENT ACCESS AND REMOVAL: The refrigerant valve solenoids are attached to the tops An attempt has been made to arrange these instruc- of the refrigerant valves with screws.
  • Page 19 400 Series 400 Series Component Access and Removal Refrigerator Section Drawer Slide Assembly Removal (Model 427R ONLY) Slide The drawer slide assemblies in the refrigerator section of the 427R are attached to the side walls with Allen- head screws passing through the drawer slide bracket, and into blind threaded inserts.
  • Page 20 400 Series 400 Series Component Access and Removal Upper Light Strip Access and Removal (Models 427 & 427R) Light Strip NOTE: See ELECTRIC SHOCK WARNING at begin- Channel ning of this section. The upper light strip is held in the channel of the light strip housing at the top of the upper wine storage com- partment.
  • Page 21 400 Series 400 Series Component Access and Removal Evaporator Fan Cover Removal Screw Access Hole (Models 427 & 427R) There are two access holes in the front of the evapora- tor fan covers. The back flanges of the evaporator fan cover have slots that line up with the access holes.
  • Page 22 400 Series 400 Series Component Access and Removal MODELS 427 & 427R INTERIOR Refrigerator Section Evaporator Support Cover Access and Removal (Model 427R ONLY) MECHANICAL COMPONENT ACCESS AND REMOVAL: The evaporator support covers are narrow covers to the left and right of the refrigerator evaporator cover. The left cover holds the control cable connector.
  • Page 23 400 Series 400 Series Component Access and Removal To remove the control board, disconnect the LED rib- LED Ribbon Cable bon cable, the membrane switch ribbon cable, and all other electrical leads attached to the control board. Expand the tabs to release the control board, then pull down and out.
  • Page 24 400 Series 400 Series Component Access and Removal Wine Storage Control Panel Assembly Removal Do not break (Models 427 & 427R) concealed The control panel assembly is set at the front of the wine compartment divider and is secured by six screws at the bottom, and a silicone seal under the top flange.
  • Page 25 400 Series 400 Series Component Access and Removal Wine Storage Compartment Thermistors Access and Removal (Models 427 & 427R) The upper and lower wine compartment thermistors are attached to the wall of both compartments with Phillips- head screws, and the electrical leads of the thermistors are routed through notches in the side of the evaporator Evap Cover covers and guarded by a wire grommets.
  • Page 26 400 Series 400 Series Component Access and Removal Refrigerator Compartment Thermistor Access and Removal (Model 427R ONLY) Thermistor The compartment thermistor in the refrigerator section is located behind the upper drawer, inside the top Reed switch assembly, and is considered part of the top Reed switch assembly.
  • Page 27 400 Series 400 Series Component Access and Removal MODELS 427 AND 427R SEALED SYSTEM Refrigerator Section Evaporator Fan Assembly Access and Removal (Model 427R ONLY) COMPONENT ACCESS AND REMOVAL: The refrigerator evaporator fan assembly is attached to An attempt has been made to arrange these instruc- the rear wall of the compartment with four Phillips-head tions in such a way as to simulate which components screws.
  • Page 28 400 Series 400 Series Component Access and Removal Refrigerator Section Evaporator Access and Removal (Model 427R ONLY) The refrigerator evaporator is mounted to the rear wall Evaporator of the refrigerator section with Phillips-head screws. (See Figures 6-60) NOTE: See SHARP EVAPORATOR FINS CAUTION at beginning of this section.
  • Page 29 400 Series 400 Series Component Access and Removal Refrigerator Section Filter-Drier Access and Removal (Model 427R ONLY) The refrigerator section filter-drier is located to the left of the condenser on the unit tray. (See Figure 6-62) NOTE: See HOT COMPRESSOR & TUBING CAU- TION at beginning of this section.
  • Page 30 400 Series 400 Series Component Access and Removal MODEL 430 MODEL 430 EXTERIOR COSMETIC AND MECHANICAL COMPONENT REMOVAL: An attempt has been made to arrange these instructions in such a way as to simulate which components would need to be removed first in order to gain access to other components. When following a component removal proce- dure, it may be necessary to reference another removal procedure towards the front of this section.
  • Page 31 400 Series 400 Series Component Access and Removal Door Assembly Removal (Model 430) NOTE: See DOOR CLOSER CAUTION at beginning of this section. Pry arm down The door closer must be disconnected from the bot- tom door hinge in order to remove the door. Disconnect the door closer from the bottom door Short Screwdriver hinge by opening the door until the hole in the door...
  • Page 32 400 Series 400 Series Component Access and Removal Panel Grille Assembly Removal (Model 430) The panel grille assembly consists of an outer and an inner grille frame. The outer grille frame attaches to the unit, while the inner grille frame(which accepts a decorative panel) is easily removable for condens- er cleaning purposes.
  • Page 33 400 Series 400 Series Component Access and Removal Condenser Fan Assembly Access and Removal (Model 430) The condenser fan motor is attached to a three legged condenser fan bracket by screws. The back leg of the condenser fan bracket hooks over a spacer toward the Fan Motor Bracket rear of the fan shroud.
  • Page 34 400 Series 400 Series Component Access and Removal MODEL 430 INTERIOR COSMETIC COMPONENT REMOVAL: An attempt has been made to arrange these instructions in such a way as to simulate which components would need to be removed first in order to gain access to other components.
  • Page 35 400 Series 400 Series Component Access and Removal Upper and Lower Evaporator Fan Cover Removal Screw Access Hole (Model 430) There are two access holes in the front of the evapora- tor fan cover. The back flanges of the evaporator fan cover have slots that line up with the access holes.
  • Page 36 400 Series 400 Series Component Access and Removal MODEL 430 INTERIOR MECHANICAL COMPONENT REMOVAL: Access Panel An attempt has been made to arrange these instruc- tions in such a way as to simulate which components would need to be removed first in order to gain access to other components.
  • Page 37 400 Series 400 Series Component Access and Removal Lower Light Strip Access and Removal (Model 430) NOTE: See ELECTRIC SHOCK WARNING at begin- ning of this section. Control Panel Assy The lower light strip is held in the channel of the light strip housing, which attached to the control panel Light Strip Housing assembly.
  • Page 38 400 Series 400 Series Component Access and Removal MODEL 430 SEALED SYSTEM COMPO- Evaporator Fan Assembly Access and Removal (Model 430) NENT ACCESS AND REMOVAL: The evaporator fan assemblies are attached to the rear An attempt has been made to arrange these instruc- wall by four Phillips-head screws.
  • Page 39 400 Series 400 Series Component Access and Removal Refrigerant Valve Access and Removal (Model 430) The refrigerant valves are located to the right of the compressor, and are held to the valve bracket with P- clamps and screws. The top valve is for the upper wine Dual Outlet storage compartment and the bottom valve is for the Filter-Drier...

This manual is also suitable for:

Wolf 424Wolf 427Wolf 427rWolf 430Wolf 424fs